Refrigerator



FIG. 1 is a perspective view of a refrigerator showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view thereof showing the state that all thedoors of the refrigerator have been closed; and,

FIG. 9 is a perspective view thereof showing the state that all thedoors of the refrigerator have been opened.

The broken line showing is included for the purpose of illustrating andforms no part of the claimed design.

The ornamental design for a refrigerator, as shown and described.